/* ==========================================================================
   Header block
   ========================================================================== */

.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--color-bg-primary);
  border-bottom: 1px solid var(--color-border-subtle);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-block: 0.75rem;
}

.header__logo {
  flex-shrink: 0;
  display: inline-flex;
}

.header__logo img {
  height: 2.75rem;
  width: auto;
}

.header__actions--desktop {
  display: none;
  align-items: center;
  gap: 0.75rem;
}

.header__actions--desktop .btn {
  padding-block: 0.65rem;
  white-space: nowrap;
}

.header__country {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--color-white);
  font-weight: var(--fw-semibold);
  font-size: var(--fs-small);
}

.header__flag {
  border-radius: 50%;
  width: 1.5rem;
  height: 1.5rem;
  object-fit: cover;
}

.header__burger {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 2.5rem;
  height: 2.5rem;
  flex-shrink: 0;
  order: 3;
}

.header__burger-line {
  width: 22px;
  height: 2px;
  background-color: var(--color-white);
  transition: transform var(--transition-base), opacity var(--transition-base);
}

.header__burger[aria-expanded="true"] .header__burger-line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.header__burger[aria-expanded="true"] .header__burger-line:nth-child(2) {
  opacity: 0;
}

.header__burger[aria-expanded="true"] .header__burger-line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile nav: fullscreen flat panel, no dropdowns */
.header__nav {
  position: fixed;
  inset: 0;
  top: 0;
  transform: translateX(100%);
  visibility: hidden;
  pointer-events: none;
  background-color: var(--color-bg-primary);
  padding: 1.25rem 1.5rem 2rem;
  overflow-y: auto;
  transition: transform var(--transition-base), visibility var(--transition-base);
  z-index: 110;
}

.header__nav.is-open {
  transform: translateX(0);
  visibility: visible;
  pointer-events: auto;
}

.header__nav-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-bottom: 1.25rem;
  margin-bottom: 1rem;
  border-bottom: 1px solid var(--color-border-subtle);
}

.header__nav-logo {
  display: inline-flex;
}

.header__nav-logo img {
  height: 2.5rem;
  width: auto;
}

.header__nav-close {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  flex-shrink: 0;
  color: var(--color-white);
  border-radius: 50%;
  transition: background-color var(--transition-base);
}

.header__nav-close:hover {
  background-color: var(--color-bg-dark);
}

.header__nav-list {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.header__nav-link {
  display: block;
  padding: 0.9rem 0.25rem;
  font-size: var(--fs-h3);
  font-weight: var(--fw-medium);
  color: var(--color-white);
  border-bottom: 1px solid var(--color-border-subtle);
}

.header__nav-link--active,
.header__nav-link[aria-current="page"] {
  color: var(--color-heading-accent);
}

.header__actions--mobile {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

@media (min-width: 768px) {
  .header__inner {
    padding-block: 1rem;
  }

  .header__burger {
    display: none;
  }

  .header__nav {
    position: static;
    inset: auto;
    transform: none;
    visibility: visible;
    pointer-events: auto;
    background: transparent;
    padding: 0;
    overflow: visible;
    flex: 1;
    display: flex;
    justify-content: center;
    transition: none;
  }

  .header__nav-top {
    display: none;
  }

  .header__nav-list {
    flex-direction: row;
    align-items: center;
    gap: 1.75rem;
  }

  .header__nav-link {
    padding: 0.4rem 0;
    font-size: var(--fs-body);
    font-weight: var(--fw-medium);
    color: var(--color-text-main);
    border-bottom: 2px solid transparent;
  }

  .header__nav-link:hover,
  .header__nav-link--active,
  .header__nav-link[aria-current="page"] {
    color: var(--color-white);
    border-bottom-color: var(--color-heading-accent);
  }

  .header__actions--mobile {
    display: none;
  }

  .header__actions--desktop {
    display: flex;
  }
}